Senior AI Platform Engineer

PolyBridge; United Kingdom; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Equity in a venture-backed company

Ownership of product engineering

Opportunity to work on interesting problems

Impactful role on a small team

Job summary

PolyBridge is seeking a Senior Software Engineer to own product and platform engineering. This role involves designing APIs, ensuring an excellent developer experience, and integrating systems for financial AI applications.

The ideal candidate possesses solid programming skills with a focus on autonomous agents, and enjoys a fast-paced startup culture where decisions directly impact the product. Genuine interest in AI and financial systems is essential.

Qualifications

• Strong software engineering skills with clean code practices.
• Experience in building developer-friendly APIs for external consumption.
• Comfortable with backend services, frontend interfaces, and databases.
• Familiar with cloud platforms like GCP or AWS.
• Knowledge of Python (FastAPI, SQLAlchemy) and TypeScript.
• Interest in agentic AI and its market potential.
• Ability to work autonomously in a startup environment.
• Experience with AI coding assistance.

Responsibilities

• Design and ship the agent-facing API with necessary documentation.
• Play a key role in frontend development for customer interactions.
• Ensure data ingestion pipelines run smoothly across exchanges.
• Implement compliance measures for agent actions in the platform.

Skills

Software engineering fundamentals

API development

Full stack development

Modern web frameworks

Python and TypeScript

Interest in autonomous agents

Startup disposition

Working with AI coding agents

Tools

Google Cloud

FastAPI

React/Vite

Job description

PolyBridge is seeking a Senior Software Engineer to own product and platform engineering. This role involves designing APIs, ensuring an excellent developer experience, and integrating systems for financial AI applications.

The ideal candidate possesses solid programming skills with a focus on autonomous agents, and enjoys a fast-paced startup culture where decisions directly impact the product. Genuine interest in AI and financial systems is essential.